CN204589969U - Be applicable to the small modular jack-up unit of greater coasting area operation - Google Patents
Be applicable to the small modular jack-up unit of greater coasting area operation Download PDFInfo
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- CN204589969U CN204589969U CN201520270246.0U CN201520270246U CN204589969U CN 204589969 U CN204589969 U CN 204589969U CN 201520270246 U CN201520270246 U CN 201520270246U CN 204589969 U CN204589969 U CN 204589969U
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Abstract
The utility model discloses a kind of small modular jack-up unit being applicable to greater coasting area operation, comprise the spud leg (2) of main platform body (3) and three trussed construction forms.Main platform body (3) entirety is the triangular structure that three tops are scabbled, and is positioned at the elevating mechanism being connected to three spud legs outside three tops respectively.The utility model increases the free space of main platform body deck area and the moving range of semi girder, is conducive to the overall performance improving self-elevating drilling platform.When the floor space region of main platform body is identical, the utility model increases the variable range of center of gravity, is conducive to the stability that improve platform.The utility model by jack-up unit structural module, especially by spud leg regions module independent of main platform body module, thus reduce installation, build and maintenance difficulties.The utility model is by increasing the free space of main platform body deck area, and make the functional apparatus being more prone to arrange on it, it can be used as offshore boring island, workover platform, production platform and comprehensive platform.
Description
Technical field
The present invention relates to a kind of jack-up unit structure, particularly a kind of the improved stability of greater coasting area operation and small modular jack-up unit structure of deck space of can being applicable to.
Background technology
In today that petroleum resources demand increases fast, with the exhaustion day by day of landing field petroleum resources, oil and gas exploitation has been transferred to the ocean of the length and breadth of land gradually by land, countries in the world great attention offshore oil exploitation, will develop offshore oil industry one after another and marine petroleum exploitation is equipped as national energy development strategy emphasis.Self-lifting type marine drilling platform performs drillng operation in offshore oil and natural gas exploration and development activities, is suitable for the specified depth of water and sea situation, the liftable a kind of packaged type ocean platform of hull.
Jack-up unit can be divided into a variety of according to different mode classifications, and its essential difference is with or without semi girder, spud leg quantity and pile leg structure form etc., wherein the most commonly three spud legs portable self lift type semi girder offshore boring island.This platform has that off-shore operation scope is large, weight is little, construction cost is low, the functional feature such as by force.But also there are some problems, if platform stability is not very high, the space availability on deck is low, and the mobile range of semi girder is little.Fig. 1 is the plan structure schematic diagram of prior art jack-up unit, and Fig. 2 is the structural focus variable range figure of prior art jack-up unit, and in figure, spud leg region 2 is positioned at main platform body 3 inside, and semi girder 6 is positioned in main platform body 3.Fig. 3 is the plan structure schematic diagram of jack-up unit of the present invention.
Summary of the invention
The present invention seeks to the advantage playing self-elevating drilling platform, simultaneously for the problems referred to above, develop a kind of novel self-lifting type platform structure that can strengthen stability and deck space.
In order to achieve the above object, the invention provides a kind of small modular jack-up unit being applicable to greater coasting area operation, comprise the spud leg of main platform body and three trussed construction forms, described main platform body entirety is the triangular structure that three tops are scabbled, and is positioned at the elevating mechanism being connected to three spud legs outside three tops respectively.
In addition, described main platform body is provided with semi girder; Derrick, moon pool and drilling equipment are arranged in described semi girder region.The deck area of described main platform body is equipped with pipe and stores and arrange solid controlling system, auxiliary equipment.
The present invention is compared with existing traditional three spud leg self lift type semi girder platform structures, and tool has the following advantages:
1. increase the free space of main platform body deck area and the moving range of semi girder, be conducive to the overall performance improving self-elevating drilling platform like this.
2. when the floor space region of main platform body is identical, invention increases the variable range of center of gravity, thus be conducive to the stability that improve platform.
3. the present invention is by jack-up unit structural module, especially by spud leg regions module independent of main platform body module, thus reduce installation, build and maintenance difficulties.
4., by increasing the free space of main platform body deck area, make the functional apparatus being more prone to arrange on it, it can be used as offshore boring island, workover platform, production platform and comprehensive platform.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of prior art jack-up unit.
Fig. 2 is the structural focus variable range figure of prior art jack-up unit.
Fig. 3 is the plan structure schematic diagram of jack-up unit of the present invention.
Fig. 4 is jack-up unit changeable gravity centre areal map of the present invention.
Fig. 5 is jack-up unit side-looking structural representation of the present invention.
Detailed description of the invention
In order to deepen, to understanding of the present utility model, to be described in further detail this patent below in conjunction with embodiment, this embodiment, only for explaining this patent, does not form the restriction to this patent protection domain.
As shown in Figures 3 and 5, jack-up unit structure is made up of three spud leg regions 1, main platform body 3 and semi girder 6.Spud leg region 1 is positioned at outside main platform body 3, and spud leg 2 is integrated by welding and spud leg joint area, and main platform body 3 is connected with spud leg region 1.Main platform body 3 can be barge structure, floats over sea 8 thus play a supporting role during towage.
Semi girder 6 can adopt X-Y type semi girder, and rig floor can be fixed on semi girder 6, and semi girder 6 can do transverse direction and lengthwise movement relative to main platform body 3.Derrick, moon pool, drilling tool, Transporting equipment and relevant drilling equipment can be arranged in semi girder 6 region.
As shown in Figure 5, the spud leg 2 of trussed construction form is arranged in spud leg region 1.The lower end structure of spud leg 2 adopts shoe formula structure 10, and all spud leg driving arrangements 7 are arranged in spud leg region 1.By the lifting action of spud leg driving arrangement 7, can the vertical lift action of implementation platform main body 3.When platform towage is to target well location, spud leg 2 is transferred to seabed 9, when platform operations completes, main platform body 3 will be transferred to seawater face 8 by spud leg driving arrangement 7, extra large buoyancy of water can be utilized to main platform body 3 support, spud leg 2 to be extracted from seabed 9, risen, move to lower a bite target well.The form of hoisting of main platform body 3 is gear-rack drive.
In Fig. 5, spud leg regions module 5 arranges the spud leg 4 of trussed construction form.The lower end structure of spud leg 4 adopts shoe formula structure 10, and the form of hoisting of main platform body 3 is gear-rack drive, and all spud leg driving arrangements 7 are arranged in spud leg region 5.
Triangle shaded area in Fig. 2, Fig. 4 is the variable range of center of gravity.Comparison diagram 2 and Fig. 4 known, when the floor space region of main platform body is identical, invention increases the variable range of center of gravity, thus be conducive to the stability that improve platform.
The present invention relates to a kind of jack-up unit structure, by main platform body, spud leg region and three, semi girder region module composition, especially spud leg regions module and platform main body module separate.All spud leg driving arrangements are arranged in spud leg regions module.Main platform body and two, spud leg region model calling are integrated.The spud leg of trussed construction form is arranged in spud leg region.The lower end structure of spud leg adopts shoe formula structure, and the form of hoisting of main platform body is gear-rack drive form.Platform can at greater coasting area as offshore boring island, workover platform, production platform and service colligate platform.
The deck area of main platform body 3 needs to be equipped with X-Y type semi girder sliding system according to function, pipe stores and arranges solid controlling system, relevant auxiliary equipment etc.Main platform body 3 can be designed to the box-structure of double bottom.The operating cabins such as power cabin, mud pump room can be arranged and as the tank such as fuel oil tank, ballast tank below deck.Fuel oil and fresh water are arranged in double bottom.Derrick, moon pool and relevant drilling equipment can be arranged in semi girder region 3.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. one kind is applicable to the small modular jack-up unit of greater coasting area operation, comprise the spud leg (2) of main platform body (3) and three trussed construction forms, it is characterized in that, described main platform body (3) entirety is the triangular structure that three tops are scabbled, and is positioned at the elevating mechanism being connected to three spud legs (2) outside three tops respectively.
2. be applicable to the small modular jack-up unit of greater coasting area operation according to claim 1, it is characterized in that, described main platform body (3) is provided with semi girder (6); Derrick, moon pool and drilling equipment are arranged in described semi girder (6) region.
3. be applicable to the small modular jack-up unit of greater coasting area operation according to claim 2, it is characterized in that, the deck area of described main platform body (3) is equipped with pipe and stores and arrange solid controlling system, auxiliary equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270246.0U CN204589969U (en) | 2015-04-28 | 2015-04-28 | Be applicable to the small modular jack-up unit of greater coasting area operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270246.0U CN204589969U (en) | 2015-04-28 | 2015-04-28 | Be applicable to the small modular jack-up unit of greater coasting area operation |
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| CN204589969U true CN204589969U (en) | 2015-08-26 |
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| CN201520270246.0U Active CN204589969U (en) | 2015-04-28 | 2015-04-28 | Be applicable to the small modular jack-up unit of greater coasting area operation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971017A (en) * | 2016-12-22 | 2017-07-21 | 中国石油集团渤海石油装备制造有限公司 | A kind of beam type self-elevating drilling platform precompressed support method |
| CN108071101A (en) * | 2016-11-17 | 2018-05-25 | 烟台中集来福士海洋工程有限公司 | Jack up drilling platform and the method using jack up drilling platform lifting jacket |
| CN108691307A (en) * | 2017-04-11 | 2018-10-23 | 烟台中集来福士海洋工程有限公司 | Self-elevating drilling platform |
| CN112921939A (en) * | 2021-02-09 | 2021-06-08 | 太重（天津）滨海重型机械有限公司 | Offshore mud flat operation device |
-
2015
- 2015-04-28 CN CN201520270246.0U patent/CN204589969U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071101A (en) * | 2016-11-17 | 2018-05-25 | 烟台中集来福士海洋工程有限公司 | Jack up drilling platform and the method using jack up drilling platform lifting jacket |
| CN108071101B (en) * | 2016-11-17 | 2020-11-24 | 烟台中集来福士海洋工程有限公司 | Conduit frame lifting device and method for lifting conduit frame by using same |
| CN106971017A (en) * | 2016-12-22 | 2017-07-21 | 中国石油集团渤海石油装备制造有限公司 | A kind of beam type self-elevating drilling platform precompressed support method |
| CN108691307A (en) * | 2017-04-11 | 2018-10-23 | 烟台中集来福士海洋工程有限公司 | Self-elevating drilling platform |
| CN108691307B (en) * | 2017-04-11 | 2021-03-02 | 烟台中集来福士海洋工程有限公司 | Self-elevating drilling platform |
| CN112921939A (en) * | 2021-02-09 | 2021-06-08 | 太重（天津）滨海重型机械有限公司 | Offshore mud flat operation device |
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